ROTATING GP-PUMP 1972849 - Caterpillar

Caterpillar: Confidential Yellow
E293-OR SHOCK MOUNTS ON SOME SR4 GENERATORS - MAILED US AND CANADA,COFA, CFEL, COSA, LIMITED CACO
  The information supplied in this service letter may not be valid after the termination date of this program.   Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
PRODUCT SUPPORT PROGRAM FOR SHOCK MOUNTS ON SOME SR4 GENERATORS, 7060, PS4077 U-74 A-32.1 AU-58 C-73 E-48 O-53 This Program can be administered either before or after a failure. When reporting the repair, use "PS4077" as Part Number and "7755" as Group Number. Termination Date
July 31, 1987
Problem
The 3N1968 Shock Mounts used under the voltage regulators on some SR4 Generators may not provide satisfactory service life.
Affected Product
Engine Generator Engine Generator Model Serial No. Serial No. Serial No. Serial No. 3208 29A1374 6GA1255 29A1410 6GA1230 29A1378 5WA648 30A2122 6JA1392 30A2164 6JA1400 30A2146 6JA1396 30A2165 6JA1407 30A2147 6JA1394 30A2166 6JA1406 30A2148 6JA1405 30A2167 6JA1411 30A2149 6JA1408 30A2169 6JA1420 30A2151 6JA1393 30A2175 6JA1413 30A2152 6JA1389 30A2177 6JA1412 30A2153 6JA1402 30A2178 6JA1414 30A2156 6JA1403 30A2184 6JA1416 30A2160 6JA1410 30A2185 6JA1415 30A2161 6JA1404 30A2188 6JA1417 30A2163 6JA1401 Engine Generator Engine Generator Model Serial No. Serial No. Serial No. Serial No. 3306 85Z2641 5EA4327 85Z2725 5DA5006 85Z2694 5EA4263 85Z2732 5EA4275 85Z2696 5EA4259 85Z2733 5EA4283 85Z2702 5EA4273 85Z2734 5EA4328 85Z2703 5EA4268 85Z2738 5EA4297 85Z2706 5EA4265 85Z2739 5EA4296 85Z2708 5EA4261 85Z2740 5EA4294 85Z2711 5EA4302 85Z2743 5EA4285 85Z2714 5EA4266 85Z2746 5EA4329 85Z2715 5EA4262 85Z2747 5EA4334